CHRISNASARI, Ruth et al. Immobilization of Lipase on Surfactant-Modified Bentonite and Its Application for Biodiesel Production from Simulated Waste Cooking Oil. UNEJ e-Proceeding, [S.l.], feb. 2016. Available at: <https://jurnal.unej.ac.id/index.php/prosiding/article/view/2465>. Date accessed: 05 feb. 2023.